mail.4bsystems.com - robtex.com

mail.4bsystems.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:b066🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:484d🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.72.77Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.176.102🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.72.77, 172.67.176.102
IPv6 hints2606:4700:3032::ac43:b066, 2606:4700:3035::6815:484d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=2, name=cloudflare-ech.com

4bsystems.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:b066🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:484d🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.72.77Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.176.102🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSed.ns.cloudflare.com ⭐
NSpam.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
TXTgoogle-site-verification=rB2RnHKIdx7-l46esgbcTYNZvHis8wPphhuR13WZmUc
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.72.77, 172.67.176.102
IPv6 hints2606:4700:3032::ac43:b066, 2606:4700:3035::6815:484d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=2, name=cloudflare-ech.com
SOAed.ns.cloudflare.comdns@cloudflare.com serial=2400672719

Previously MX for

mail.4bsystems.com
4bsystems.com

Same first word

mail.world
mail.pe
mail.sunnyday.jp
mail.group
mail.gov
mail.org.za
mail.mx
mail.cy
mail.gov.ae
mail.com.ba
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mail.cutegirl.jp
mail.gov.az
mail.io
mail.cash
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mail.firewall-gateway.com
mail.pro
mail.pupu.jp
mail.vivian.jp
mail.df.gov.br

Similar names

mali.vn
almi.at
mail.fish
imla.it
mila.photography
mila.com.vn
mail.pp.ua
mail.fun
ilma.jp
mila.be
lami.com.sg
aiml.io
mail.no-ip.net
mail.mn
ilam.ac.ir
mail.mydns.bz
amil.br.com
ilma.info
mail.fem.jp
mail.health
mail.s3.amazonaws.com
mali.pe
mail.gov.ye
lmia.cl
alim.kz
laim.com.ua
mail.com.kg
mail.nra
mail.couchpotatofries.org
amil.life
aiml.nl
mail.radio.fm
mail.od.ua
aiml.biz
aiml.de
lima.asso.fr
mail.ms
mail.boleslawiec.pl
lima.su
lima.pl
mila.world
mail.mydns.vc
lima.im
mail.lutsk.ua
mail.kz
mail.im
alim.hu
mila.se
mail.kaas.gg
mail.it.com
mail.gov.mg
mail.ss
liam.co.il
mail.co
mail.tc
laim.cz
mail.gda.pl
amil.us
almi.hr
mali.us
lami.ru
mila.edu.pl
lmai.lt
mila.bg
lmia.us
alim.co.kr
imal.fr
mila.lt
liam.no
almi.eus
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mali.si
mila.co
mali.dk
ialm.academy
liam.pw
almi.in.ua
amli.no
mlai.mobi
mila.si
mali.cz

DNS History

9 records (4 active, 5 former)

201820192020202120222023202420252026NSns27.domaincontrol.comns28.domaincontrol.comMXmail.4bsystems.comA104.21.72.77172.67.176.1022606:4700:3032::ac43:b0662606:4700:3035::6815:484d107.180.25.211CNAME4bsystems.com
○NSns27.domaincontrol.com2017-03-31 → 2017-03-31 · 3 obs
● 2017-03-31 15:41:30
○ 2026-04-14 01:53:22
○ 2026-04-14 12:29:32
○NSns28.domaincontrol.com2017-03-31 → 2017-03-31 · 3 obs
● 2017-03-31 15:41:30
○ 2026-04-14 01:53:22
○ 2026-04-14 12:29:32
○MXmail.4bsystems.com2017-03-31 → 2017-03-31 · 3 obs
● 2017-03-31 15:41:30
○ 2026-04-14 01:53:22
○ 2026-04-14 12:29:32
●A104.21.72.772026-04-14 → 2026-04-14 · 3 obs
○ 2017-03-31 15:41:30
● 2026-04-14 01:53:22
● 2026-04-14 12:29:32
○A107.180.25.2112017-03-31 → 2017-03-31 · 3 obs
● 2017-03-31 15:41:30
○ 2026-04-14 01:53:22
○ 2026-04-14 12:29:32
●A172.67.176.1022026-04-14 → 2026-04-14 · 3 obs
○ 2017-03-31 15:41:30
● 2026-04-14 01:53:22
● 2026-04-14 12:29:32
●A2606:4700:3032::ac43:b0662026-04-14 → 2026-04-14 · 3 obs
○ 2017-03-31 15:41:30
● 2026-04-14 01:53:22
● 2026-04-14 12:29:32
●A2606:4700:3035::6815:484d2026-04-14 → 2026-04-14 · 3 obs
○ 2017-03-31 15:41:30
● 2026-04-14 01:53:22
● 2026-04-14 12:29:32
○CNAME4bsystems.com2017-03-31 → 2017-03-31 · 3 obs
● 2017-03-31 15:41:30
○ 2026-04-14 01:53:22
○ 2026-04-14 12:29:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net...-
4bsystems.comed.ns.cloudflare.com, pam.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.138

NS records: ed.ns.cloudflare.com, pam.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4bsystems.com (unsigned zone)

⏱️ Timing

Total: 149ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.72.77, 172.67.176.102
AAAA22606:4700:3035::6815:484d, 2606:4700:3032::ac43:b066
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ed.ns.cloudflare.com, ed.ns.cloudflare.com, ed.ns.cloudflare.com...)

Analysis

IP Addresses

mail.4bsystems.com points to four IP numbers: 2606:4700:3032::ac43:b066, 2606:4700:3035::6815:484d, 104.21.72.77 and 172.67.176.102.

Other host names, for instance www.wtrw.shop, hyhealth.it, mitsm.de, iesm.lk and root.urodzinowe.pl share IP numbers with mail.4bsystems.com.